{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Antioxidant activities of the synthesized thiol - contained peptides derived from computer - aided pepsin hydrolysis of yam tuber storage protein , dioscorin ."}
{"Chemical": ["thiol", "dioscorin"]}